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OpenAdvisories
Medium ALSA-2026:55787 3 CVEs

Moderate: java-21-openjdk security update

Published Aug 19, 2026 · Updated Oct 29, 2026

Ecosystem: AlmaLinux

Summary

The OpenJDK 21 packages provide the OpenJDK 21 Java Runtime Environment and the OpenJDK 21 Java Software Development Kit.

Security Fix(es):

* JDK: Improve Resource Resolving (CVE-2026-60589)
* JDK: Enhance HTTP Connections (CVE-2026-61308)
* JDK: Enhance TLS server (CVE-2026-70907)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Fixed packages 69

ReleasePackageFixed in
AlmaLinux · 10 java-21-openjdk 1:21.0.12.1.1-1.2.el10.alma.1
AlmaLinux · 10 java-21-openjdk-demo 1:21.0.12.1.1-1.2.el10.alma.1
AlmaLinux · 10 java-21-openjdk-demo-fastdebug 1:21.0.12.1.1-1.2.el10.alma.1
AlmaLinux · 10 java-21-openjdk-demo-slowdebug 1:21.0.12.1.1-1.2.el10.alma.1
AlmaLinux · 10 java-21-openjdk-devel 1:21.0.12.1.1-1.2.el10.alma.1
AlmaLinux · 10 java-21-openjdk-devel-fastdebug 1:21.0.12.1.1-1.2.el10.alma.1
AlmaLinux · 10 java-21-openjdk-devel-slowdebug 1:21.0.12.1.1-1.2.el10.alma.1
AlmaLinux · 10 java-21-openjdk-fastdebug 1:21.0.12.1.1-1.2.el10.alma.1
AlmaLinux · 10 java-21-openjdk-headless 1:21.0.12.1.1-1.2.el10.alma.1
AlmaLinux · 10 java-21-openjdk-headless-fastdebug 1:21.0.12.1.1-1.2.el10.alma.1
AlmaLinux · 10 java-21-openjdk-headless-slowdebug 1:21.0.12.1.1-1.2.el10.alma.1
AlmaLinux · 10 java-21-openjdk-javadoc 1:21.0.12.1.1-1.2.el10.alma.1
AlmaLinux · 10 java-21-openjdk-javadoc-zip 1:21.0.12.1.1-1.2.el10.alma.1
AlmaLinux · 10 java-21-openjdk-jmods 1:21.0.12.1.1-1.2.el10.alma.1
AlmaLinux · 10 java-21-openjdk-jmods-fastdebug 1:21.0.12.1.1-1.2.el10.alma.1
AlmaLinux · 10 java-21-openjdk-jmods-slowdebug 1:21.0.12.1.1-1.2.el10.alma.1
AlmaLinux · 10 java-21-openjdk-slowdebug 1:21.0.12.1.1-1.2.el10.alma.1
AlmaLinux · 10 java-21-openjdk-src 1:21.0.12.1.1-1.2.el10.alma.1
AlmaLinux · 10 java-21-openjdk-src-fastdebug 1:21.0.12.1.1-1.2.el10.alma.1
AlmaLinux · 10 java-21-openjdk-src-slowdebug 1:21.0.12.1.1-1.2.el10.alma.1
AlmaLinux · 10 java-21-openjdk-static-libs 1:21.0.12.1.1-1.2.el10.alma.1
AlmaLinux · 10 java-21-openjdk-static-libs-fastdebug 1:21.0.12.1.1-1.2.el10.alma.1
AlmaLinux · 10 java-21-openjdk-static-libs-slowdebug 1:21.0.12.1.1-1.2.el10.alma.1
AlmaLinux · 8 java-21-openjdk 1:21.0.12.1.1-1.1.el8
AlmaLinux · 8 java-21-openjdk-demo 1:21.0.12.1.1-1.1.el8
AlmaLinux · 8 java-21-openjdk-demo-fastdebug 1:21.0.12.1.1-1.1.el8
AlmaLinux · 8 java-21-openjdk-demo-slowdebug 1:21.0.12.1.1-1.1.el8
AlmaLinux · 8 java-21-openjdk-devel 1:21.0.12.1.1-1.1.el8
AlmaLinux · 8 java-21-openjdk-devel-fastdebug 1:21.0.12.1.1-1.1.el8
AlmaLinux · 8 java-21-openjdk-devel-slowdebug 1:21.0.12.1.1-1.1.el8
AlmaLinux · 8 java-21-openjdk-fastdebug 1:21.0.12.1.1-1.1.el8
AlmaLinux · 8 java-21-openjdk-headless 1:21.0.12.1.1-1.1.el8
AlmaLinux · 8 java-21-openjdk-headless-fastdebug 1:21.0.12.1.1-1.1.el8
AlmaLinux · 8 java-21-openjdk-headless-slowdebug 1:21.0.12.1.1-1.1.el8
AlmaLinux · 8 java-21-openjdk-javadoc 1:21.0.12.1.1-1.1.el8
AlmaLinux · 8 java-21-openjdk-javadoc-zip 1:21.0.12.1.1-1.1.el8
AlmaLinux · 8 java-21-openjdk-jmods 1:21.0.12.1.1-1.1.el8
AlmaLinux · 8 java-21-openjdk-jmods-fastdebug 1:21.0.12.1.1-1.1.el8
AlmaLinux · 8 java-21-openjdk-jmods-slowdebug 1:21.0.12.1.1-1.1.el8
AlmaLinux · 8 java-21-openjdk-slowdebug 1:21.0.12.1.1-1.1.el8
AlmaLinux · 8 java-21-openjdk-src 1:21.0.12.1.1-1.1.el8
AlmaLinux · 8 java-21-openjdk-src-fastdebug 1:21.0.12.1.1-1.1.el8
AlmaLinux · 8 java-21-openjdk-src-slowdebug 1:21.0.12.1.1-1.1.el8
AlmaLinux · 8 java-21-openjdk-static-libs 1:21.0.12.1.1-1.1.el8
AlmaLinux · 8 java-21-openjdk-static-libs-fastdebug 1:21.0.12.1.1-1.1.el8
AlmaLinux · 8 java-21-openjdk-static-libs-slowdebug 1:21.0.12.1.1-1.1.el8
AlmaLinux · 9 java-21-openjdk 1:21.0.12.1.1-1.2.el9.alma.1
AlmaLinux · 9 java-21-openjdk-demo 1:21.0.12.1.1-1.2.el9.alma.1
AlmaLinux · 9 java-21-openjdk-demo-fastdebug 1:21.0.12.1.1-1.2.el9.alma.1
AlmaLinux · 9 java-21-openjdk-demo-slowdebug 1:21.0.12.1.1-1.2.el9.alma.1
AlmaLinux · 9 java-21-openjdk-devel 1:21.0.12.1.1-1.2.el9.alma.1
AlmaLinux · 9 java-21-openjdk-devel-fastdebug 1:21.0.12.1.1-1.2.el9.alma.1
AlmaLinux · 9 java-21-openjdk-devel-slowdebug 1:21.0.12.1.1-1.2.el9.alma.1
AlmaLinux · 9 java-21-openjdk-fastdebug 1:21.0.12.1.1-1.2.el9.alma.1
AlmaLinux · 9 java-21-openjdk-headless 1:21.0.12.1.1-1.2.el9.alma.1
AlmaLinux · 9 java-21-openjdk-headless-fastdebug 1:21.0.12.1.1-1.2.el9.alma.1
AlmaLinux · 9 java-21-openjdk-headless-slowdebug 1:21.0.12.1.1-1.2.el9.alma.1
AlmaLinux · 9 java-21-openjdk-javadoc 1:21.0.12.1.1-1.2.el9.alma.1
AlmaLinux · 9 java-21-openjdk-javadoc-zip 1:21.0.12.1.1-1.2.el9.alma.1
AlmaLinux · 9 java-21-openjdk-jmods 1:21.0.12.1.1-1.2.el9.alma.1
AlmaLinux · 9 java-21-openjdk-jmods-fastdebug 1:21.0.12.1.1-1.2.el9.alma.1
AlmaLinux · 9 java-21-openjdk-jmods-slowdebug 1:21.0.12.1.1-1.2.el9.alma.1
AlmaLinux · 9 java-21-openjdk-slowdebug 1:21.0.12.1.1-1.2.el9.alma.1
AlmaLinux · 9 java-21-openjdk-src 1:21.0.12.1.1-1.2.el9.alma.1
AlmaLinux · 9 java-21-openjdk-src-fastdebug 1:21.0.12.1.1-1.2.el9.alma.1
AlmaLinux · 9 java-21-openjdk-src-slowdebug 1:21.0.12.1.1-1.2.el9.alma.1
AlmaLinux · 9 java-21-openjdk-static-libs 1:21.0.12.1.1-1.2.el9.alma.1
AlmaLinux · 9 java-21-openjdk-static-libs-fastdebug 1:21.0.12.1.1-1.2.el9.alma.1
AlmaLinux · 9 java-21-openjdk-static-libs-slowdebug 1:21.0.12.1.1-1.2.el9.alma.1

Vulnerabilities 3

References

  • report
    https://access.redhat.com/security/cve/CVE-2026-60589
  • report
    https://access.redhat.com/security/cve/CVE-2026-61308
  • report
    https://access.redhat.com/security/cve/CVE-2026-70907
  • advisory
    https://errata.almalinux.org/10/ALSA-2026-55787.html
  • advisory
    https://errata.almalinux.org/8/ALSA-2026-55787.html
  • advisory
    https://errata.almalinux.org/9/ALSA-2026-55787.html